P0138 Diagnostic Trouble Code Discussion for May 2019
Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage
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| Help Request | Posted | |
| 2011 Toyota Avalon Limited 3.5L MIL Lamp on VIN: 4T1BK3DB1B P0138: O2 high voltage. ... both p0138 and p0158 but starts and runs good. Tested power/ground and resistance on all o2 and a/f sensors. Smoke tested for vacuum leaks and found none. The only thing I do see is the LT fuel trim says about 13% on bot... |
May 16, 2019 |
